Kathy Schrock's Guide for Assessment and Rubrics: http://school.discoveryeducation.com/schrockguide/assess.html
The Canadian Teacher Assessment Generators (build your rubric online and print it out): http://www.thecanadianteacher.com/tools/assessment/
Lots of rubrics to choose from-- create and print: http://teach-nology.com/web_tools/rubrics/
Rubrics4Teachers-- a long list of rubrics: http://www.rubrics4teachers.com/archive.php
http://www.rcampus.com/indexrubric.cfm
Rubistar: http://rubistar.4teachers.org/index.php
The Rubrics Machine: http://landmark-project.com/rubric_builder/index.php
University of Wisconsin resources: http://www.uwstout.edu/soe/profdev/rubrics.shtml